/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/AttributeEditorTool.h
Add a new PolyGroup layer with the given Name
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(CallInEditor, Category=NewAttribute, Meta=(DisplayPriority=3, DisplayName="Add PolyGroup Layer")) void AddPolyGroupLayer()